Jinan Yuelong Bearing Co., Ltd
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30303 tapered roller bearing 17x47x15.25mm

30303 Tapered Roller Bearing 17x47x15.25mm

Min. Order:
1 Piece
Payment term:
T/T
Delivery time:
10-30 days
Technical Parameters:
Product Designations:
30303
Structure:
Tapered roller bearing
Inside Diameter:
17 mm
Outside Diameter:
47 mm
Thickness:
15.25 mm
Weight:
0.3 KG
Brand:
LBR
Precision Rating:
P0 P6 P5 P4 P2
Bearing Material:
Chrome steel
Seals Type:
Open
30303 Tapered Roller Bearing 17x47x15.25mm
Specifications  

Series

  30303
 

Cone Part Number

  X30303
 

Cup Part Number

  Y30303
 

Design Units

  Metric
 

Bearing Weight

  0.3000 Kg
 

Cage Type

  Stamped Steel
 

Dimensions  

D - Cup Outer Diameter

  47.000 mm
 

d - Cone Bore

  17.000 mm
 

B - Cone Width

  14.000 mm
 

C - Cup Width

  12.000 mm
 

T - Bearing Width

  15.250 mm
 

Z - Number of Rollers Per Row

  12
 

Abutment and Fillet Dimensions  

R - Cone Backface "To Clear" Radius1

  1.020 mm
 

r - Cup Backface "To Clear" Radius2

  1.02 mm
 

da - Cone Frontface Backing Diameter

  21.59 mm
 

db - Cone Backface Backing Diameter

  22.61 mm
 

Da - Cup Frontface Backing Diameter

  43.43 mm
 

Db - Cup Backface Backing Diameter

  41.40 mm
 

Ab - Cage-Cone Frontface Clearance

  2.03 mm
 

Aa - Cage-Cone Backface Clearance

  -0.25 mm
 

a - Effective Center Location3

  -4.80 mm
 
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Negative value indicates effective center inside cone backface.

Basic Load Ratings  

C90 - Dynamic Radial Rating (90 million revolutions)

  8480 N
 

C1 - Dynamic Radial Rating (1 million revolutions)

  32700 N
 

C0 - Static Radial Rating

  28400 N
 

Ca90 - Dynamic Thrust Rating (90 million revolutions)

  4140 N
 
 

Factors  

K - Factor

  2.05
 

e - ISO Factor

  0.29
 

Y - ISO Factor

  2.11
 

G1 - Heat Generation Factor (Roller-Raceway)

  5.8
 

G2 - Heat Generation Factor (Rib-Roller End)

  5
 

Cg - Geometry Factor

  0.0412
 
 

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